GPT-5 Nano
language modelOpenAI
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Key facts
| Made by | OpenAI |
|---|---|
| Type | language model |
| Released | August 7, 2025 |
| Reads at once | 400,000 tokens |
| Price (API, per million tokens) | $0.05 in · $0.4 out |
| Input → output | text, image, file → text |
Questions about GPT-5 Nano
Who makes GPT-5 Nano?
GPT-5 Nano is made by OpenAI.
When was GPT-5 Nano released?
We first saw GPT-5 Nano listed on August 7, 2025.
How much does GPT-5 Nano cost?
Through OpenRouter it costs $0.05 per million input tokens and $0.4 per million output tokens. Prices change, so check the provider before you build on it.
How much text can GPT-5 Nano read at once?
Up to 400,000 tokens, roughly 300K words.
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